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Europe PMC provides free access to more than 9.3 million full-text biomedical and life sciences research articles and over 43.3 million citations. [3] Europe PMC contains some citation information and includes text mining based marked up text that links to external molecular and medical datasets.
PubMed Central (PMC) is a free digital repository that archives open access full-text scholarly articles that have been published in biomedical and life sciences journals. As one of the major research databases developed by the National Center for Biotechnology Information (NCBI), PubMed Central is more than a document repository.
The impact factor relates to a specific time period; it is possible to calculate it for any desired period. For example, the JCR also includes a five-year impact factor, which is calculated by dividing the number of citations to the journal in a given year by the number of articles published in that journal in the previous five years. [14] [15]
In 2012 and 2014, the Spanish National Research Council asked 11,864 Spanish academics to name the 10 most prestigious academic publishers from over 600 international and 500 Spanish-language publishers.
Impact factor; SCImago; The SCImago Journal Rank (SJR) indicator is a measure of the prestige of scholarly journals that accounts for both the number of citations ...
The impact factor (IF) or journal impact factor (JIF) of an academic journal is a scientometric index calculated by Clarivate that reflects the yearly mean number of citations of articles published in the last two years in a given journal, as indexed by Clarivate's Web of Science.
Bottom line. Ultimately, whether you can retire on less than $1 million will largely depend on your spending needs during retirement and your remaining life expectancy.
PMC citations; NCBI Bookshelf; Many PubMed records contain links to full text articles, some of which are freely available, often in PubMed Central [5] and local mirrors, such as Europe PubMed Central. [6] Information about the journals indexed in MEDLINE, and available through PubMed, is found in the NLM Catalog. [7]